Weichai
Weichai WP4D40E200NG
The Weichai WP4D40E200NG is a 4.1-litre inline-4 natural gas engine for generator sets, rated at 38 kVA / 30 kWe prime power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-06-08
- Package route
- gas generator sets
- Prime Power · 50 Hz
- 38 kVA
- Electrical Output
- 30 kWe
- Cylinders
- L4
- Displacement
- 4.1 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 35 | 30 | 37.5 |
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Weichai WP4D40E200NG overhaul & repair parts
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Weichai WP4D40E200NG generator set context
The Weichai WP4D40E200NG is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 38 kVA / 30 kWe / prime rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
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Technical Specifications
| Brand | Weichai |
| Model | WP4D40E200NG |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 4.1 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Weichai WP4D40E200NG?
The Weichai WP4D40E200NG is rated at 38 kVA prime at 50 Hz (1,500 rpm).
Does the WP4D40E200NG run at 50 Hz or 60 Hz?
The Weichai WP4D40E200NG is rated for 50 Hz (1,500 rpm).
What fuel does the Weichai WP4D40E200NG use?
The Weichai WP4D40E200NG is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the WP4D40E200NG?
The Weichai WP4D40E200NG is an inline-4 (4-cylinder) engine with a displacement of 4.1 L.
What is the catalog status of the Weichai WP4D40E200NG?
The Weichai WP4D40E200NG is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.